'I'm a mechanic - if your brakes feel like this, get your car repaired now'
Drivers have been advised to take action immediately if their brake pedal starts to develop a certain fault to prevent a significant risk of accidents.
One of YouTube's most watched mechanics has warned drivers of a lesser-known sign that there is something wrong with their car.
Scotty Kilmer has worked on vehicles for more than 55 years and regularly fronts YouTube videos in which he shares tips to help drivers reduce their motoring bills and avoid causing expensive damage.
In a recent video, Scotty urged drivers to check their brake pedal, stating that it needs to be repaired as soon as possible if it sinks to the floor.
He explained: "Today I'm going to talk about the dangers of sinking brake pedals. If you're coming to a stop and your brake pedal sinks to the floor, you better fix it soon or there'll be a crash.
"It means your brake system is losing pressure from somewhere, so check in all four wheels. If the calipers are wet, they're leaking and need to be replaced."
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Whilst many drivers are aware that their vehicle's brakes should not feel spongy, which can be a sign that the brake pads are too thin, they should also take action as soon as they find the pedal sinks quickly.
The mechanic highlighted that this is a sign that there is a loss of pressure within the braking system, with the severity of the problem based on how large the leak is.
However, no matter if a vehicle only takes slightly longer to come to a stop, drivers must get the braking system looked at by a professional as soon as it is safe to do so, else they risk the problem developing until the brake pedal has little to no effect on slowing the vehicle down.
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Scotty also noted that, if there are no signs of leaks underneath the vehicle, the fault could be with the brake master cylinder, which typically costs from £200 to £300 to replace.
He added: "If all four wheels are dry and none of the hoses are leaking, it could mean that the brake master cylinder is going bad.
"They'll often leak inside, so you won't see the leak as it's internal, but it's still just as dangerous. So, if your brake pedal is giving you that sinking feeling, fix it quick before you're sunk."
